Starter machine system and method

• US 8,860,235 B2
• Filed: 02/24/2012
• Issued: 10/14/2014
• Est. Priority Date: 02/24/2012
• Status: Expired due to Fees

• Current Assignee: BorgWarner Incorporated
• Original Assignee: Remy Technologies LLC (BorgWarner Incorporated)
• Inventors: Bradfield, Michael D.
• Primary Examiner(s): Duverne, Jean F
• Application Number:
  US13/404,755
• Publication Number:
  US 20130221681A1
• Time in Patent Office: 963 Days
• Field of Search: 290/38.C, 290/38.R, 295/96, 310/68.E, 310/68.D
• US Class Current: 290/38.C
• CPC Class Codes: F02N 11/0844 with means for restarting the engine directly after an engine stop request, e.g. caused by change of driver mind
• CPC Class Codes: F02N 15/06 the toothed gears being moved by axial displacement
• CPC Class Codes: F02N 15/067 the starter comprising an electro-magnetically actuated lever
• CPC Class Codes: F02N 2011/0892 Two coils being used in the starting circuit, e.g. in two windings in the starting relay or two field windings in the starter
• CPC Class Codes: Y10T 29/49002 Electrical device making

Abstract

Embodiments of the invention provide a starter machine control system including an electronic control unit. The electronic control unit can be in communication with one or more sensors. The control system can include a starter machine that is in communication with the electronic control unit. The starter machine can comprise a solenoid assembly that includes a plurality of biasing members and a motor that is coupled to a pinion. In some embodiments, the motor can be electrically coupled to at least one of the first coil winding and the second coil winding. In some embodiments, the electronic control unit can be capable of being configured and arranged to circulate a priming current from a power source to the motor through at least one of the first coil winding and the second coil winding.

Claims

1. A starter machine control system comprising:

a starter machine being capable of being in communication with an electronic control unit, the starter machine further comprising;

a solenoid assembly including a plunger-return biasing member, a contact over-travel biasing member, and an auxiliary biasing member, the solenoid assembly further comprising at least a first coil winding and a second coil winding;

a plunger contact configured and arranged to couple with one or more contacts;

a motor being operatively coupled to a pinion, the motor being electrically coupled to at least one of the first coil winding and the second coil winding;

a first switch electrically coupled to the first coil winding, wherein the first switch is configured and arranged to enable the priming current to pass from a power source through the first coil winding to the motor;

a second switch electrically coupled to the second coil winding, wherein the second switch is configured and arranged to enable a current to flow from the power source through the second coil winding, and wherein the second coil winding is configured and arranged to move the plunger contacts to engage with the one or more contacts to provide current from the power source to the motor; and

wherein the electronic control unit is capable of being configured and arranged to circulate a priming current from the power source to the motor through at least one of the first coil winding and the second coil winding.

2. The starter machine control system of claim 1, wherein the priming current is insufficient to cause the motor to move.

3. The starter machine control system of claim 1, wherein the solenoid assembly comprises one or more washers that are configured and arranged to engage the auxiliary biasing member.

4. The starter machine control system of claim 3, and further comprising a plunger being at least partially circumscribed by the first coil winding and the second coil winding.

5. The starter machine control module of claim 1, wherein the starter machine comprises at least one shunt disposed between at least one of the first coil winding and the second coil winding and the motor.

6. The starter machine control system of claim 1, wherein the second coil winding at least partially circumscribes the first coil winding.

7. The starter machine control system of claim 1, wherein the electronic control unit is configured and arranged to circulate the priming current through to the motor in response to the occurrence of a change of mind stop-start starting episode.

8. A starter machine control system comprising:

a starter machine being capable of being in communication with an electronic control unit and further comprising;

a solenoid assembly comprising at least three biasing members and a plurality of coil windings comprising a first coil winding electrically coupled to a first switch and a second coil winding electrically coupled to a second switch;

a plunger contact configured and arranged to couple with one or more contacts;

a motor being operatively coupled to a pinion, wherein the electronic control unit is capable of being configured and arranged to circulate a priming current from a power source to the motor through at least one of the plurality of coil windings in order to offset at least a portion of a drag torque of the motor and the pinion; and

wherein the first switch is configured and arranged to enable the priming current to pass from the power source through the first coil winding to the motor; and

wherein the second switch is configured and arranged to enable a current to flow from the power source through the second coil winding, and wherein the second coil winding is configured and arranged to move the plunger contacts to engage with the one or more contacts to provide current from the power source to the motor.

9. The starter machine control system of claim 8, wherein the biasing members comprise at least one of a plunger return biasing member, a contact-overrun biasing member, and an auxiliary biasing member.

10. The starter machine control system of claim 8, wherein the priming current is insufficient to cause the motor to move.

11. The starter machine control system of claim 8, wherein the electronic control unit is capable of being configured and arranged to activate the second coil winding after a predetermined time interval after activating the first coil winding.

12. The starter machine control system of claim 8, wherein the second coil winding at least partially circumscribes the first coil winding.

13. The starter machine control system of claim 8, wherein the priming current to the motor circulates through the first coil winding before reaching the motor.

14. The starter machine control system of claim 8, wherein the starter machine comprises at least one shunt between one of the plurality of coil windings and the motor.

15. The starter machine control system of claim 8, wherein the solenoid assembly comprises four biasing members.